condition	mean	min	max
4 h after light	7.0	7.0	7.0
8 h after light	3.05	2.5	3.6
12 h after light	4.949999999999999	2.8	7.1
4 h after dark	5.2	2.6	7.8
8 h after dark	13.55	3.5	23.6
12 h after dark	14.95	6.2	23.7